| GEGalaxy Electryronics Associates INC | Laurel | MD | Computer and Electronic Product Manufacturing334412 | 1-19 | ◇ UNVERIFIED |
| AAbiomed | Baltimore City | MD | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| ACAirpax CORP. | Cambridge | MD | Computer and Electronic Product Manufacturing334000 | — | ◇ UNVERIFIED |
| A1Annapolis 1 | Annapolis | MD | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| ARAntenna Research Associates INC | Beltsville | MD | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| ATApi Technologies-weinschel | Frederick | MD | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| ANApplied Nanostructured Solutions, LLC. | Baltimore | MD | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| DSDrs-signal Solutions INC | Gaithersburg | MD | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| GDGeneral Dynamics Robotics System | Westminster | MD | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| GDGeneral Dynamics Robotic Sys | Westminster | MD | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| ICIbm Corporation | Gaithersburg | MD | Computer and Electronic Product Manufacturing334113 | — | ◇ UNVERIFIED |
| MMMartin Marietta Laboratories | Halethorpe | MD | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Sys CORP | Gaithersburg | MD | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems CORP -troy Hill 4 | Elkridge | MD | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| QAQuad Avenue Chemical & Biofuels Site | Baltimore | MD | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| RDRpg Diffuser Systems | Upper Marlboro | MD | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| SDSmiths Detection Edgewood, INC. | Edgewood | MD | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| SASwales & Assoc Frederick Av | Beltsville | MD | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| WSWilcoxon Sensing Technologies | Frederick | MD | Computer and Electronic Product Manufacturing334519 | — | ◇ UNVERIFIED |
| LTL3harris Technologies, INC. | Columbia | MD | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| MIMachfu INC | Rockville | MD | Computer and Electronic Product Manufacturing334118 | 20-99 | ◇ UNVERIFIED |
| MMMillennium Microwave Corporation | Fruitland | MD | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| TIThe Innovative Technologies Group & Co., | Jessup | MD | Computer and Electronic Product Manufacturing334516 | 1-19 | ◇ UNVERIFIED |
| ATAmerican Technology Corporation | Baltimore | MD | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| AAApex Appliance Repair LLC | Laurel | MD | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| APAutomated Processes, INC. (api) | Jessup | MD | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| CCCdc Cellular Repair Services, LLC | Frederick | MD | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| CICompubahn Inc | Gaithersburg | MD | Computer and Electronic Product Manufacturing334111 | — | ◇ UNVERIFIED |
| CBCrizer Brothers, INC. | Upper Marlboro | MD | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| DSD3X Systems, LLC | Silver Spring | MD | Computer and Electronic Product Manufacturing334614 | — | ◇ UNVERIFIED |
| IIIllumina, INC | Baltimore | MD | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| JTJaak Tech LLC | Oxon Hill | MD | Computer and Electronic Product Manufacturing334118 | — | ◇ UNVERIFIED |
| LTLinear Tube Audio | Takoma Park | MD | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| MSMaryland Sound and Image Inc | Randallstown | MD | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
| MBMobile Blanco INC | Rockville | MD | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems CORP | Hanover | MD | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems Corporation | Linthicum | MD | Computer and Electronic Product Manufacturing334413 | — | ◇ UNVERIFIED |
| NGNorthrop Grumman Systems Corporation- Troy Hill 2 (ste 2a) | Elkridge | MD | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
Novel Microdevices, INC. | Baltimore | MD | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| PDParamount Diagnostics LLC | Essex | MD | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| RRRapid Response Research Group, LLC | California | MD | Computer and Electronic Product Manufacturing334511 | — | ◇ UNVERIFIED |
| RCRoberts Communications Consulting, LLC | Annapolis | MD | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| SAScience Applications International Corporation | Columbia | MD | Computer and Electronic Product Manufacturing334290 | — | ◇ UNVERIFIED |
| SSShimadzu Scientific Instruments | Columbia | MD | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| SESignal Edge Solutions LLC | Glen Burnie | MD | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| SCSoKat Consulting LLC | Woodstock | MD | Computer and Electronic Product Manufacturing334112 | — | ◇ UNVERIFIED |
| SCSpirent Communications | Gaithersburg | MD | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| SLSwitch Ledpro LLC | Upper Marlboro | MD | Computer and Electronic Product Manufacturing334310 | — | ◇ UNVERIFIED |
System Engineering International, INC. | Frederick | MD | Computer and Electronic Product Manufacturing334210 | — | ◇ UNVERIFIED |
| TTTaylor Technologies | Hunt Valley | MD | Computer and Electronic Product Manufacturing334513 | — | ◇ UNVERIFIED |